ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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I am stuck on this problem, I don't know where to start.  Could you give a step by step on how to figure this problem out. Thank you.

There is an increase in demand of 100 units at each price and a decrease in supply of 100 units at each price.  In the graph below, draw the new demand and supply lines.

Instructions:  Use the graphing tools, 'D2', 'S2', to plot the new demand and supply lines on the figure and then use the grid lines to determine the new equilibrium price and quantity.

Price ($)
009
500
400
300
200
100
0
2010 00 80
бо
100
120
140
Quantity
160
180
200
S₁
220
D₁
240
< Prev
O
15
Tools
D2
O
2 of 5
S₂
Next >
2
O
expand button
Transcribed Image Text:Price ($) 009 500 400 300 200 100 0 2010 00 80 бо 100 120 140 Quantity 160 180 200 S₁ 220 D₁ 240 < Prev O 15 Tools D2 O 2 of 5 S₂ Next > 2 O
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Step 1

Solution: The equilibrium occurs at an intersection of demand and supply i.e. a price $400 and quantity of 120. When there is a rise in demand of 100 units at each price it causes a rightward shift of demand curve i.e. at $400; and 220 units (= 120 units + 100 units) will be demanded. A decrease in supply of 100 units at each price causes a leftward shift of supply curve; and 20 units (= 120 units - 100 units) will be supplied. New equilibrium will be at a higher price

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